ArubaOS 188.8.131.52 is a brand new centralized, multi-tier architecture that provides a clear separation between management, control, and forwarding functions.
Some salient features of ArubaOS 184.108.40.206 are support for Active AP Load Balancing, AP Fast Recovery, and Loop Protection.
ArubaOS 220.127.116.11 provides Centralized Licensing support for IPv6, Configuring EST profile, Role-based ACL and WebRTC Prioritization.
ArubaOS 18.104.22.168 introduces Fast Roaming with Mesh APs and Zero-Wait Dynamic Frequency Selection.
ArubaOS 22.214.171.124 introduces 610 Series Access Points and Flex Dual Band Support.
The Release Notes of all ArubaOS versions starting from 8.0.x version are available here.
Starting from ArubaOS 126.96.36.199, the Trusted Platform Module (TPM) is integrated into the Mobility Master Hardware Appliance that serves only as a Mobility Master.
ArubaOS 188.8.131.52 introduces support for independent 802.1x Authentication. This release also includes support for Green AP.
ArubaOS 184.108.40.206 introduces the Duplicate Address Detection (DAD) feature and enhancements are made to the IoT Data Filter.
The ArubaOS 220.127.116.11 releases introduces enhancements to Serial Data Transport Profiles and Multicast Group Limit.
In this maintenance release, ArubaOS 18.104.22.168 introduces the AP-503 access points, in addition to support for UNII-4 Channels on AP-615 access points.
ArubaOS 22.214.171.124 provides instructions and examples to configure the Mobility Master, managed devices, and APs.
ArubaOS 126.96.36.199 provides enhancements to Management Frame Protection and WIDS Containment.
ArubaOS 188.8.131.52 introduces AP-505H, 560 Series, and AP-375ATEX access points.
ArubaOS 184.108.40.206 supports the Capacity Licenses option in the WebUI, also included in this release is support for PPK for IKEv2 and Jumbo Lite Frames Support for VMCs.
ArubaOS 220.127.116.11 introduces two new AP platforms, AP-634 and AP-654 access points.